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ZnO Nanocrystals with Hexagonal Disk Shape Grown by Thermal Evaporation Method in Air at Atmospheric Pressure
대기압의 공기 분위기에서 열증발법에 의해 성장한 육각형 디스크 형상의 ZnO 나노결정
Geun-Hyoung Lee
Korean J. Met. Mater. 2022;60(8):601-606.   Published online 2022 Jul 12
DOI: https://doi.org/10.3365/KJMM.2022.60.8.601

Hexagonal-shaped ZnO nanodisks were synthesized at temperatures above 1000oC via thermal evaporation of a mixture of ZnO, SnO, and graphite powders as the source materials. Notably, the ZnO nanodisks were easily formed in ambient air at atmospheric pressure. The ZnO nanodisks could not be obtained without SnO in the source..... More

Effect of ZnS/C Mass Ratio on the Morphologies and Luminescence Properties of ZnO Nano/Microstructures Synthesized via Thermal Evaporation of ZnS and C Powder Mixtures
ZnS와 C의 혼합 분말을 열증발시켜 생성된 ZnO 나노/마이크로구조의 형상과 발광 특성에 미치는 ZnS/C 질량비의 영향
Geun-Hyoung Lee
Korean J. Met. Mater. 2021;59(4):262-267.   Published online 2021 Mar 24
DOI: https://doi.org/10.3365/KJMM.2021.59.4.262

ZnO nano/microstructures were grown via a simple thermal evaporation process in air at atmospheric pressure. Mixtures of ZnS and carbon powders were used as the sources. The effects of growth temperature and mass ratio of carbon powder to ZnS on the morphologies and luminescence properties of the ZnO nano/microstructures were..... More

                           Cited By 1
Nucleation and Growth-Controlled Morphology Evolution of Cu Nanostructures During High-Pressure Thermal Evaporation
Eunji Lee, Woomi Gwon, Sangwoo Ryu
Korean J. Met. Mater. ;59(2):135-141.   Published online 2021 Jan 27
DOI: https://doi.org/10.3365/KJMM.2021.59.2.135

The formation of porous material structures has been widely investigated for the development of high-performance energy materials, catalysts, and chemical sensing devices. Various nanoporous structure fabrication methods are based on wet-chemical processes, which require precise control of the process parameters. Physical vapor deposition such as thermal evaporation utilizes high vacuum..... More

                           Cited By 1
Optical Properties of CaF<sub>2</sub> Anti-Reflection Coating On ZnS for 8~12 m Infrared Region
CaF2 저반사 코팅된 ZnS 윈도우의 8~12 µm 적외선 영역 광학적 특성
Ill-Joo Lee, Seung-Chan Hong, Byung-Sam Kim, Jae-Kyung Cheon
이일주, 홍승찬, 김병삼, 천재경
Korean J. Met. Mater. 2020;58(6):433-438.   Published online 2020 May 19
DOI: https://doi.org/10.3365/KJMM.2020.58.6.433

Technologies for pedestrian safety are increasingly emphasized by Automakers in advance of autonomous driving vehicles. A Night Vision System attached behind the front grille can reduce fatal accidents, especially during the nighttime, however, consumers may hesitate to adopt such systems on account of their high price. High-cost Germanium is used..... More

                           Cited By 1
Catalyst-Free Thermal Evaporation Synthesis of TiO<sub>2</sub> Nanostructures in Atmospheric Air
대기압의 공기 분위기에서 촉매를 사용하지 않는 열증발법을 이용하여 생성된 TiO2 나노구조
Geun-Hyoung Lee
Korean J. Met. Mater. 2020;58(5):353-356.   Published online 2020 Apr 14
DOI: https://doi.org/10.3365/KJMM.2020.58.5.353

TiO2 nanostructures were synthesized using a thermal evaporation method without a catalyst. TiO powders mixed with graphite powders were used as the source materials. The synthesis process was performed in air atmosphere at 1000 °C. When the mass ratio of TiO/graphite in the source material was 2:1, TiO2 nanowires and..... More

                           Cited By 1
Evolution of Hole Transport/Perovskite Layer Properties with Au Evaporation Condition in a Perovskite Solar Cell
페로브스카이트 태양전지의 Au 열증착 조건에 따른 Hole Transport/Perovskite 층의 물성변화
Kwangbae Kim, Taeyeul Park, Ohsung Song
김광배, 박태열, 송오성
Korean J. Met. Mater. 2018;56(4):321-326.   Published online 2018 Apr 5
DOI: https://doi.org/10.3365/KJMM.2018.56.4.321

Changes in the properties of the hole transport layer (HTL) and the perovskite layer in a perovskite solar sell (PSC) were observed under various Au thermal evaporation conditions. We employed a conventional thermal evaporator with a distance of 30 cm between the source and substrate in a vacuum of 6..... More

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